Biology Evolution Vocabulary

The available genetic differences in a population

• reproduction isolation

• gene pool

• biodiversity

• gene flow

members of a species are separated by landscape

• reproduction isolation

• speciation

• extinction

• geographic isolation

small differences to a particular trait

• variation

• allele

• speciation

• adaptation

a section on DNA that codes for a trait

• allele

• adaptation

• gene

• mutation

having a number of different species in an area

• biodiversity

• natural selection

• speciation

• gene pool

a change in the genetic makeup of DNA

• geographic isolation

• gene

• allele

• mutation

addition of an immigrant's genes; usually to isolated populations

• gene flow

• genetic isolation

• natural selection

• variation

the disappearance of a species from existence

• mutation

• extinction

• adaptation

• genetic drift

groups separated from original population over generations can no longer interbreed

• gene pool

• genetic drift

• reproduction isolation

• geographic isolation

survival and reproduction of organisms that are best suited in their environments

• natural selection

• adaptation

• gene

• biodiversity